You may also be interested in...
To update your information go to:
Now to change email address and password of your account click on Update Login/Password button.
1. Screenshot
To Change Email Address:
2. Screenshot
To Change Password:
3. Screenshot
To Update Profile Information:
1. Click on the Edit User Details button.
4. Screenshot
2. Make the required changes and click on the Update User Profile button to save the changes.
5. Screenshot
This information should reflect the actual user/administrator for the account. Billing information will not be affected/chaged if you update user profile information.